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Big Dam Weather Forecast
Big Dam, MT Weather Forecast Date: 336 PM MDT Sun Oct 04 2026
Weather forecast for Big Dam, MT
Tonight Lo: 48°F Lo: 9°C |
Tonight... Mostly clear. Lows 44 to 50. Southeast winds 5 to 10 mph with gusts to around 30 mph shifting to the southwest after midnight. |
Mon Hi: 80°FHi: 27°C Lo: 49°F Lo: 9°C |
Monday... Breezy, sunny. Highs around 80. West winds 5 to 15 mph increasing to 15 to 25 mph in the afternoon. |
| Tue Hi: 71°FHi: 22°C Lo: 45°F Lo: 7°C |
Tuesday... Sunny. Highs in the lower 70s. West winds up to 10 mph. |
Wed Hi: 69°FHi: 21°C Lo: 45°F Lo: 7°C |
Wednesday... Partly cloudy. Highs in the upper 60s. Lows in the mid 40s. |
| Thu Hi: 69°FHi: 21°C Lo: 45°F Lo: 7°C |
Thursday... Partly cloudy. Highs in the upper 60s. Lows in the mid 40s. |
| Thu Hi: 69°FHi: 21°C Lo: 45°F Lo: 7°C |
Thursday... Partly cloudy. Highs in the upper 60s. Lows in the mid 40s. |
Fri Hi: 75°FHi: 24°C Lo: 41°F Lo: 5°C |
Friday... Partly sunny. Highs 71 to 77. |
Sat Hi: 55°FHi: 13°C Lo: 31°F Lo: -1°C |
Saturday... Cooler. Mostly cloudy with a 20% chance of rain. Lows in the lower 40s. Highs in the mid 50s. |
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